It's taken four hundred years of travel, but the starship Venture has finally arrived at its destination, Beta Earth, an uninhabited, untouched planet. The first night seventeen-year-old engineer Ursa is on Beta Earth, she encounters a dead body. She's positive she saw a large creature with sharp teeth, something that shouldn't even be on the planet, but nobody believes her. As injuries and bodies start piling up, Ursa must figure out who to...